Rb2ThF6 — Properties & Data | MatWorld

Rb2ThF6

ceramic

· Rb2ThF6

Rb2ThF6 is an inorganic fluoride ceramic compound combining rubidium and thorium fluoride phases, belonging to the family of actinide fluoride ceramics. This material is primarily of research and specialized nuclear applications interest, where its chemical stability and fluoride composition make it relevant for nuclear fuel processing, waste immobilization, and high-temperature fluoride chemistry environments. Unlike more common ceramic oxides, rubidium-thorium fluorides offer distinct corrosion resistance in aggressive fluoride-containing atmospheres and potential applications in molten salt reactor fuel forms or advanced reprocessing schemes.

nuclear fuel ceramicsactinide immobilizationmolten salt reactor materialsfluoride chemistry laboratory equipmentadvanced ceramics researchradiation-resistant compounds

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	51.43	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3100	-	DFT · OptB88vdW
Shear Modulus(G)	23.52	GPa	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Density(ρ)	5.508	kg/m³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	6.754	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)	11.19	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	2.479	-	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.1233	C/m²	DFT · OptB88vdW
↳	0.2158	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.000471	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000287	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-252.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	455	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-3.803	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

Rb2ThF6

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental